- as well as giving you a good shot at beating your 5K and 10K PBs.Threshold Summer Races (Stratford-upon-Avon, June 12)Race series are just as much social events as they are an opportunity to claim new PBs and few races exemplify this more than

also affect your time as one sneeze closes the eyes for a full second, upsetting your pacing. One sneeze every 60 seconds could add a minute to your 10K time or four minutes to a marathon - and it could destroy a sprinter's race.Q: What can I do if it

to hydrogen ion build up, potassium build up on the outside of your cells, muscle damage as well as hypoglycaemia. Hydrogen ion and potassium accumulation usually occur during fast-paced 5K and 10K races.What's the cure? Speed up Crazy, maybe. But there is a